Science editor at NBCNews.com, Cosmic Log blogger, author of The Case for Pluto
Here's @glennf and son at @spacetravelco Pluto rally
Dignity for the dwarfs! #plutolives
We're pro-Pluto ... And we made cookies (at @spacetravelco)
Give #Pluto some slack, we want him back
Making signs during Pluto teach-in at @spacetravelco
Teaching the controversy at @spacetravelco during Pluto teach-in
Weird! Reserved seats for preview of "John Carter" on Mars ... Er, Pacific Place
Vancouver's not a bad town when the skies clear. View from hotel at #AAASmtg
Nothing like chopping firewood to make you feel like you haven't lazed away Sunday
Ready for a walk in the snow near Seattle
New Year's sparklers
Everyone must wear NYE hats, even my son!
Another sleetbow shot from Microsoft campus
Glorious rainbow just at sunset... Happy New Year!
Beautiful view of lunar #eclipse from clear-skied #Seattle! Red glow to dark side. Pic doesn't match reality.
Bob Bigelow and Jesse Ventura at #ISPcs
Grand Canyon after sunrise
At Grand Canyon just at sunset; see u at #sciwri11
Hard to convey the Grand Canyon view in a foto; glad I'm here
Beautiful butterfly in flower garden, Monticello, IA #onvacation
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